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Tumbling Down

Age 7 to 11
Challenge Level Yellow star
Primary curriculum
  • Problem
  • Getting Started
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Watch the video all the way through.

What do you see?

Watch it again as many times as you like. (You can pause it at any point.)

Describe what you notice.

How many vertical lines are there at the start?
How many vertical lines are there at the end?
Which lines 'fall into' others?
Why?

Focus on the starting image.
How would you add to the picture to continue the pattern?    
What would happen if you could watch an animation using your new image at the start?

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Fraction Lengths

Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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